In the last 90 days, 31 listings have been made available, which means office spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 26% of the available leases in the O'Fallon are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 40,000 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are around 1 stories. Most buildings in this market were built in 2001 and are Class A.